As others have commented, the peinciple is very clever. Unless you own a copy of Sam Sharp's
Conjuror's Hydraulic & Pneumatic Secrets, you won't have a clue how this works. Without tipping the
secret I think it's safe to say it uses a displacement device. This device only costs pennies but
the work into affixing it to the bottle took some time. The only drawback is that you're stuck with
using the flavor you receive, in my case orange. I may try my hand at gaffing a Coke bottle with a
device like this, as that is my prefered drink. I also like the Ghost Bottle, which uses a
completely different method, but does use a Coke Bottle.
Very Clever...
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